| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | MDW | SEA | 22:28 | 00:21 |
Landed
|
Track > |
| Jun 02 | MDW | SEA | 23:13 | 01:11 |
Delayed
|
Track > |
| Jun 01 | MDW | SEA | 22:07 | 23:59 |
Landed
|
Track > |
| May 31 | MDW | SEA | 22:22 | 00:00 |
En-Route
|
Track > |
| May 30 | MDW | SEA | 18:26 | 19:58 |
Landed
|
Track > |
| May 29 | MDW | SEA | 21:56 | 23:30 |
Landed
|
Track > |
| May 28 | MDW | SEA | 21:59 | 23:31 |
Landed
|
Track > |
| May 27 | MDW | SEA | 21:54 | 23:34 |
Landed
|
Track > |
| May 26 | MDW | SEA | 22:40 | 00:15 |
Landed
|
Track > |
| May 25 | MDW | SEA | 22:11 | 23:51 |
Landed
|
Track > |
Southwest Airlines Flight WN3378 connects Chicago, United States to Seattle, United States, taking off from Chicago Midway International Airport MDW and landing at Seattle Tacoma International Airport SEA.
How long is the WN3378 flight from Chicago to Seattle?
The average flight time from Chicago to Seattle is 3 hours and 41 minutes. The flight distance is 2782 km / 1729 miles and the average flight speed is 755 km/h / 469 mph.
How many WN3378 flights are operated per week?
5 flights per week. The flight WN3378 is operated on Monday, Tuesday, Wednesday, Thursday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3378 Chicago to Seattle?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3378 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3378 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 00:21.
How else can the flight WN3378 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3378, WN 3378, SWA 3378.
How often is flight WN3378 delayed?
On average, 30% of all WN3378 flights are delayed. The average delay is 25 minutes.
Can I get compensation for my delayed or cancelled WN3378 flight or baggage issues?
If your WN3378 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN3378 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN3323, WN1955, WN1377, WN2906
Other flights arriving at Seattle SEA: AA3252, AA1459, DL2998, 5Y9190
All flights connecting Chicago MDW to Seattle SEA.